Lightning Protection for Mining

Mining operations are very vulnerable to lightning strikes due to their expansive and exposed infrastructure. Lightning strikes pose significant risks, including damage to critical systems, equipment, storage of explosives, and processing and refining systems, as well as serious safety hazards to personnel in the field. Therefore, implementing a robust lightning protection system is crucial to safeguarding mining operations.

Effective lightning protection is crucial to ensure the safety of personnel, protect equipment, and maintain uninterrupted operations. Lightning effects commonly seen on mine sites include:

Electrical and electronic equipment damage – including overvoltage and surges, burnt components, loss of data.
Structural damage – lightning can strike structures, causing fires, structural weakening, and damage to roofs, walls, and support structures.
Fire hazards – fuel storage tanks or areas storing flammable or explosive materials can cause catastrophic fires, and methane gas ignition in coal mines is an ever-present danger.
Damage to vehicles and mobile equipment – direct strikes can cause damage to electrical systems, tires, and metal parts.
Direct or indirect strikes to personnel out in the field.

Air Terminal

Stormaster or Guardian Plus air terminal

Stormaster ESE

STORMASTER-ESE-15-SS

2 Product Codes

HVSC Plus insulated downconductor cable

HVSCPLUS Downconductor

3 Product Codes

Earth Electrodes

Lightning Protection for Mining Operations

Lightning protection for mining sites is essential due to the high risk of lightning strikes in open and elevated areas. These strikes can damage equipment, disrupt operations, and endanger personnel. Properly implemented, the comprehensive approach below reduces downtime, prevents repairs, and enhances safety and efficiency. Such an approach is crucial for operational continuity and safeguarding assets and personnel in mining environments.

Comprehensive Lightning Protection Approach

LPI recommends a comprehensive approach to lightning protection. This approach is comprised of four key steps: Direct Strike Protection, Surge Protection, Earthing and Bonding, and Personal Protection. Each of these steps plays a crucial role in the overall protection strategy. LPI's four-step approach must be applied holistically to mitigate all types of lightning risks.